Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D611090 | Photoconductor unit | Gary Neal Hackney, Donald Thomas Kral, Benjamin Keith Newman | 2010-03-02 |
| 6600882 | Measuring toner level in a closed container | Steven L. Applegate | 2003-07-29 |
| 6466763 | Conveyor and waste toner reservoir for an image-forming apparatus | Alan Stirling Campbell, Paul Douglas Horrall, Franklin Joseph Palumbo | 2002-10-15 |
| 6009291 | Control of photosensitive roller movement | Steven Alan Curry, Paul Douglas Horrall, David Lee Merrifield, Daniel George Mlejnek, Harald Portig +2 more | 1999-12-28 |
| 5995774 | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge | Steven L. Applegate, Cyrus Bradford Clarke, Timothy P. Craig, David Lee Merrifield, Benjamin Keith Newman +5 more | 1999-11-30 |
| 5337032 | Reduced component toner cartridge | Ronald Willard Baker, Robert Leonard Burdick, Martin Victor DiGirolamo, Paul Douglas Horrall, David Lee Merrifield +2 more | 1994-08-09 |
| 5331378 | Toner cartridge with independent driven systems | Ronald Willard Baker, Robert Leonard Burdick, Martin Victor DiGirolamo, David Lee Merrifield, Paul Douglas Horrall +3 more | 1994-07-19 |
| 5136333 | Electrophotographic printer and cartridge arrangement | James A. Craft, William L. Dollenmayer, James Philip Harden, Frank Hughes | 1992-08-04 |
| 5101237 | Toner metering apparatus with pressure equalization | — | 1992-03-31 |
| 5012289 | Toner metering apparatus | Charles Stanley Aldrich, Steven L. Applegate, James A. Craft, Michael L. Pawley | 1991-04-30 |
| D309323 | Cartridge for an electrophotographic printer | James A. Craft, William D. Freeman, David Shadwick, Thomas George Twardeck, James P. Wang | 1990-07-17 |
| 4775252 | Thermal printhead actuator responsive to carriage drive and including a four bar linkage and spring | Steven L. Applegate, Deh C. Tao | 1988-10-04 |
| 4772143 | Reloadable ribbon cartridge | James A. Craft | 1988-09-20 |
| 4641148 | Thermal printhead with ribbon exit guide | Stanley Dyer, Thoi Nguyen, David M. Riherd, William F. Voit, Jr., Donald L. West | 1987-02-03 |
| 4558963 | Feed rates and two-mode embodiments for thermal transfer medium conservation | Steven L. Applegate, Clayton V. Wilbur | 1985-12-17 |
| 4413919 | Ribbon loading system for printers | Steven L. Applegate | 1983-11-08 |
| 4408908 | Ribbon feed system for a matrix printer | Steven L. Applegate | 1983-10-11 |
| 4396308 | Ribbon guiding for thermal lift-off correction | Steven L. Applegate, Donald A. Walker | 1983-08-02 |
| 4375339 | Electrically conductive ribbon break detector for printers | Stanley Dyer, Donald A. Walker | 1983-03-01 |
| 4329075 | Printhead assembly for typewriters or the like | Steven L. Applegate | 1982-05-11 |